Ishtar

For instance: depot-contenant="CCE SJR Zone A | Colonne 264*"

https://sentry.iggdrasil.net/organizations/iggdrasil/issues/15/

TypeError: unsupported operand type(s) for //: 'NoneType' and 'int'
  File "django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "ishtar_common/utils.py", line 191, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "ishtar_common/views_item.py", line 2522, in func
    (items_nb // row_nb + (1 if items_nb % row_nb else 0))